Malicious PDF — malware analysis report

Static analysis result for SHA-256 c69fe52bea4aa0cb…

MALICIOUS

PDF

17.0 KB Created: 2019-11-07 12:27:14 +00:00 Authoring application: mPDF 5.7
MD5: 1134b14bb8654744083f84d5f896eed4 SHA-1: 085ff667ffab06f02a9edfced58cd34791bbfbc1 SHA-256: c69fe52bea4aa0cbf9fda56c4f859d4b8c674e56a4a6364395b9b11a7abd802f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While the specific URLs extracted were labeled as benign, the sheer volume and the heuristic firing indicate a malicious intent, likely to redirect users to harmful sites or to improve search engine ranking for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://cefasfese.4pu.com/7738732734731735/Don-Quichotte-Ou-L-Enfance-de-L-Art-Essai-by-Marc-Chabot.pdf
    • http://cefasfese.4pu.com/5730733733731730/Hello-Kitty-Box-Set-Includes-Volumes-1-6-by-Jacob-Chabot.pdf
    • http://cefasfese.4pu.com/9731735735737731/The-Philosophy-of-Simondon-Between-technology-and-individuation-by-Pascal-Chabot.pdf
    • http://cefasfese.4pu.com/1731739736731734735/Freud-on-Schreber-Psychoanalytic-Theory-and-the-Critical-ACT-by-C-Barry-Chabot.pdf
    • http://cefasfese.4pu.com/7738732731736738/Es-steht-alles-auf-der-Kippe-Prosa-bei-Lektora-47-by-Quichotte.pdf
    • http://cefasfese.4pu.com/7738732734732734/Cervantes-Don-Quichotte-L-Ingenieux-Hidalgo-de-La-Manche-by-Andr-Massepain.pdf
    • http://cefasfese.4pu.com/6737739736734732/Don-Quichotte-Tome-1---Bilingue-Fran-ais---Espagnol-by-Miguel-de-Cervantes-Saavedra.pdf
    • http://cefasfese.4pu.com/7738732734738734/Le-Suicide-de-Don-Quichotte-Raecits-de-Franz-Kafka-by-Christian-Bank-Pedersen.pdf
    • http://cefasfese.4pu.com/6735736737732732/Enfance-by-Myriam-Donzelot.pdf
    • http://cefasfese.4pu.com/6735736737732735/Enfance-de-dictateurs-by-V-ronique-Chalmet.pdf
    • http://cefasfese.4pu.com/6738733738734731/Un-homme-plein-d-enfance-by-Gilles-Archambault.pdf
    • http://cefasfese.4pu.com/5738735739737732/Ellana-Tome-1-Enfance-by-Pierre-Bottero.pdf
    • http://cefasfese.4pu.com/7733735738738731/L-Enfance-En-Miettes-by-Anne-Lise-Thurler.pdf
    • http://cefasfese.4pu.com/3732736732736734/Le-temps-des-amours-Souvenirs-d-enfance-4-by-Marcel-Pagnol.pdf
    • http://cefasfese.4pu.com/7730731731738732/Enfance-de-Jumeaux-Confidences-D-Une-Mere-by-Colette-Hamard-Frichet.pdf
    • http://cefasfese.4pu.com/8734739730736733/Poe-tique-De-L-enfance-Chez-Marguerite-Duras-by-Anne-Cousseau.pdf
    • http://cefasfese.4pu.com/6735736737735731/Ciel-bleu-Une-enfance-dans-le-Haut-Alta-by-Galsan-Tschinag.pdf
    • http://cefasfese.4pu.com/7736739735731738/Marc-S-guin-survol-Marc-S-guin-overview-essays-by-St-phane-Aquin-Robert-Enright-by-Doug-Fischer.pdf
    • http://cefasfese.4pu.com/1733734737739735/Marc-Brown-s-Playtime-Rhymes-A-Treasury-for-Families-to-Learn-and-Play-Together-by-Marc-Brown.pdf
    • http://cefasfese.4pu.com/6736737733735733/Prends-moi-l-essai-by-Louisa-M-onis.pdf
    • http://cefasfese.4pu.com/6738733738734731/Un-homme-plein-d-enfance-by-

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